Whakaoti mō x
x=\frac{13}{64}=0.203125
Graph
Tohaina
Kua tāruatia ki te papatopenga
72x+8-8x=21
Tangohia te 8x mai i ngā taha e rua.
64x+8=21
Pahekotia te 72x me -8x, ka 64x.
64x=21-8
Tangohia te 8 mai i ngā taha e rua.
64x=13
Tangohia te 8 i te 21, ka 13.
x=\frac{13}{64}
Whakawehea ngā taha e rua ki te 64.
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